More than 50 original old photos were unveiled in a concentrated manner, showing the heritage of the "Beijing Central Axis" More than 18 old photographs from the 1860s to the 1940s were displayed on site, making it the first time at home and abroad that precious photographic originals were used to display the "Central Axis" The exhibition hopes to enrich the public's cultural cognition experience of the central axis, let more citizens and tourists understand the historical value and cultural connotation carried by the central Axis.